#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> using mint = modint998244353; template void debug(T e) { cerr << e << endl; } template void debug(vector &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(map &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } int main() { vector isprime(100002, true); for (ll i = 2; i <= 100000; i++) { if (isprime[i]) { for (ll j = 2; j * i <= 100000; j++) { isprime[i * j] = false; } } } vector primes(0); for (ll i = 2; i <= 100000; i++) { if (isprime[i]) { primes.push_back(i); } } /*for (ll i = 0; i < 10; i++) { debug(primes[i]); }*/ ll Q; cin >> Q; for (ll i = 0; i < Q; i++) { ll A; cin >> A; ll A_cpy = A; ll prime_cnt = 0; for (ll j = 0; j < primes.size(); j++) { bool pos = false; while (true) { if (A_cpy % primes[j] != 0) { break; } A_cpy /= primes[j]; prime_cnt++; // debug_out(primes[j], A_cpy); } if (pos) { prime_cnt++; } } if (A_cpy != 1) { prime_cnt++; } if (prime_cnt == 3) { cout << "Yes" << endl; } else { cout << "No" << endl; } } }